<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport"
    content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>
  <form action="http://ajax-api.itheima.net/api/data" method="post">
    <input type="text" name="username" placeholder="请输入用户名" />
    <br />
    <input type="text" name="food" placeholder="请输入喜欢的食物" />
    <br />
    <input type="textarea" name="sign" placeholder="请输入个性签名" />
    <br />
    <button type="submit">提交</button>
  </form>

</body>

</html>